g C14 labeled glyceraldehyde 3-phosphate was added to a yeast extract and to a culture of red blood cells. After a short time, fructose 1,6-bisphophate labeled with C14 was isolated from both the yeast extract and the red blood cell culture. a) Draw an arrow pushing mechanism for a class I aldolase. b) How does the reaction mechanism of a class II aldolase differ from a class I aldolase